Doom 4 Engine Only For Bethesda Games

Don't expect id Tech 5 to be next big thing in middleware, as id says it's keeping that particular toy to itself.
Speaking at QuakeCon in Dallas today, id boss Todd Hollenshead said that the engine powering Rage and Doom 4, id Tech 5, would not be licensed out as middleware, but would instead be kept within the ZeniMax family, which id became a part of last year.